Add SQL for vm_cachestat

into pgfincore 2.0.0
klando · Dec 4, 2023 · 3551c1e · 3551c1e
1 parent aee5296
commit 3551c1e
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diff --git a/pgfincore--1.3.1--2.0.0.sql b/pgfincore--1.3.1--2.0.0.sql
@@ -0,0 +1,53 @@
+CREATE FUNCTION
+vm_cachestat(
+  IN relation regclass
+, IN fork_name text
+, IN block_num bigint
+, IN nblocks bigint
+, OUT vm_pagesize bigint
+, OUT nr_cache bigint
+, OUT nr_dirty bigint
+, OUT nr_writeback bigint
+, OUT nr_evicted bigint
+, OUT nr_recently_evicted bigint
+, OUT pg_pagesize bigint
+)
+RETURNS record
+AS '$libdir/pgfincore'
+LANGUAGE C;
+
+CREATE FUNCTION
+vm_cachestat(
+  IN relation regclass
+, IN block_num bigint
+, IN nblocks bigint
+, OUT vm_pagesize bigint
+, OUT nr_cache bigint
+, OUT nr_dirty bigint
+, OUT nr_writeback bigint
+, OUT nr_evicted bigint
+, OUT nr_recently_evicted bigint
+, OUT pg_pagesize bigint
+)
+RETURNS record
+AS $vm_cachestat$
+SELECT * FROM vm_cachestat($1,'main',$2,$3)
+$vm_cachestat$
+LANGUAGE SQL;
+
+CREATE FUNCTION
+vm_cachestat(
+  IN relation regclass
+, OUT vm_pagesize bigint
+, OUT nr_cache bigint
+, OUT nr_dirty bigint
+, OUT nr_writeback bigint
+, OUT nr_evicted bigint
+, OUT nr_recently_evicted bigint
+, OUT pg_pagesize bigint
+)
+RETURNS record
+AS $vm_cachestat$
+SELECT * FROM vm_cachestat($1,'main',NULL,NULL)
+$vm_cachestat$
+LANGUAGE SQL;
diff --git a/pgfincore--2.0.0.sql b/pgfincore--2.0.0.sql
@@ -191,3 +191,60 @@ LANGUAGE C;
 
 COMMENT ON FUNCTION pgfincore_drawer(varbit)
 IS 'A naive drawing function to visualize page cache per object';
+
+/*
+ * New functions
+ */
+CREATE FUNCTION
+vm_cachestat(
+  IN relation regclass
+, IN fork_name text
+, IN block_num bigint
+, IN nblocks bigint
+, OUT vm_pagesize bigint
+, OUT nr_cache bigint
+, OUT nr_dirty bigint
+, OUT nr_writeback bigint
+, OUT nr_evicted bigint
+, OUT nr_recently_evicted bigint
+, OUT pg_pagesize bigint
+)
+RETURNS record
+AS '$libdir/pgfincore'
+LANGUAGE C;
+
+CREATE FUNCTION
+vm_cachestat(
+  IN relation regclass
+, IN block_num bigint
+, IN nblocks bigint
+, OUT vm_pagesize bigint
+, OUT nr_cache bigint
+, OUT nr_dirty bigint
+, OUT nr_writeback bigint
+, OUT nr_evicted bigint
+, OUT nr_recently_evicted bigint
+, OUT pg_pagesize bigint
+)
+RETURNS record
+AS $vm_cachestat$
+SELECT * FROM vm_cachestat($1,'main',$2,$3)
+$vm_cachestat$
+LANGUAGE SQL;
+
+CREATE FUNCTION
+vm_cachestat(
+  IN relation regclass
+, OUT vm_pagesize bigint
+, OUT nr_cache bigint
+, OUT nr_dirty bigint
+, OUT nr_writeback bigint
+, OUT nr_evicted bigint
+, OUT nr_recently_evicted bigint
+, OUT pg_pagesize bigint
+)
+RETURNS record
+AS $vm_cachestat$
+SELECT * FROM vm_cachestat($1,'main',NULL,NULL)
+$vm_cachestat$
+LANGUAGE SQL;